Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
3:43:03
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Most CHILLING Alien Theories *MARATHON* | Ancient Aliens
This marathon explores the most chilling Ancient Aliens theories, from close encounters with extraterrestrial beings to shocking claims that aliens may be connected to the undead and humanity’s darkest mysteries. See more in this Ancient Aliens marathon. Watch new episodes New Episodes Thursdays at 9/8c and stay up to date on all of your ...
383.8K views3 months ago
Alien Theory Episodes
Are the Gods Really Returning? *Marathon* | Ancient Aliens
2:56:25
Are the Gods Really Returning? *Marathon* | Ancient Aliens
YouTubeHISTORY
487.7K views3 months ago
Einstein and the Alien Genius Theory (S5, E5) | Ancient Aliens | Full Episode
44:12
Einstein and the Alien Genius Theory (S5, E5) | Ancient Aliens | Full Episode
YouTubeThe UnXplained Zone
3.5K views2 months ago
Secrets From Earth’s Earliest Ages *Marathon* | Ancient Aliens
2:12:18
Secrets From Earth’s Earliest Ages *Marathon* | Ancient Aliens
YouTubeHISTORY
253K views3 months ago
Top videos
Are Humans Actually Aliens? The Shocking Theory Explained (S1) | Ancient Aliens
8:28
Are Humans Actually Aliens? The Shocking Theory Explained (S1) | Ancient Aliens
YouTubeHISTORY
80.3K views2 weeks ago
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
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Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
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491.5K views11 months ago
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
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966.4K views6 months ago
Alien Theory Controversies
Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens
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Mysteries That Challenge Human Origins *Marathon* | Ancient Aliens
YouTubeHISTORY
304K views4 weeks ago
Secrets Hidden in Antarctica and Beyond *Marathon* | Ancient Aliens
2:48:29
Secrets Hidden in Antarctica and Beyond *Marathon* | Ancient Aliens
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87.1K views2 weeks ago
What the Government Knows About UFOs | Ancient Aliens
20:48
What the Government Knows About UFOs | Ancient Aliens
YouTubeHISTORY
126.4K views2 weeks ago
Including results for alien theory complete.
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Are Humans Actually Aliens? The Shocking Theory Explained (S1) | Ancient Aliens
8:28
Are Humans Actually Aliens? The Shocking Theory Explained (S1) | Ancient Aliens
80.3K views2 weeks ago
YouTubeHISTORY
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
2:12:17
Alien Theories You Have to See to Believe | Ancient Aliens | Marathon | History
491.5K views11 months ago
YouTubeHISTORY
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
32:32
The Hybrid Theory: Human or Alien? | Ancient Aliens | History
966.4K views6 months ago
YouTubeHISTORY
Are We Part Alien? | Ancient Aliens
25:21
Are We Part Alien? | Ancient Aliens
71.4K views1 month ago
YouTubeHISTORY
The Alien Origins of Human Civilization | Ancient Aliens
35:13
The Alien Origins of Human Civilization | Ancient Aliens
193.4K views3 months ago
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Uncovering the Truth: Giants, Alien Relics & The Human Experiment *Marathon* | Ancient Aliens
2:05:33
Uncovering the Truth: Giants, Alien Relics & The Human Experiment *Marathon* | Ancient Aliens
468.1K views8 months ago
YouTubeHISTORY
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
37:13
Have Aliens Been Visiting Earth for Millions of Years? | Ancient Aliens | History
6.9M viewsApr 3, 2025
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20:27
Humans From the Future | Ancient Aliens | History
1.7M viewsMay 8, 2025
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48:49
Inside the Mystery of the Greys | Ancient Aliens
1.5M views3 months ago
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2025’s Biggest Alien Discoveries (Part 2) | Ancient Aliens
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Alien Contact: How Would Humanity React? | FULL DOCUMENTARY
688.7K viewsMar 9, 2025
YouTubeNaked Science
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Extraterrestrial Moon Bases: Strange Evidence Explained | Ancient Aliens (S1, E11) | Full Episode
3.7M views9 months ago
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Alien Hybrids & the Secret Programs Behind Them | Ancient Aliens | History
187.5K views7 months ago
YouTubeHISTORY
1:18:32
The NEW Complete Alien Timeline (1979 - 2025)
128.6K views5 months ago
YouTubeNerdist
6:32
Journey To The Center of the Earth (Season 1) | Ancient Aliens: Origins | History
33.7K views11 months ago
YouTubeHISTORY
23:35
Space Secrets and NASA’s Role in the Alien Agenda | Ancient Aliens | History
272.5K views9 months ago
YouTubeHISTORY
31:07
The ancient alien theory sounded possible - until the missing evidence became impossible to ignore
1 month ago
MSNIsaac Arthur
1:09:50
Unsolved Alien Mysteries: from Alaska's Pyramid to the Freemasons | Ancient Aliens
3.2M views8 months ago
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Ancient Aliens: TOP UFO MYSTERIES OF 2025 | Part 1
392.8K views5 months ago
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Odin’s Otherworldly Origins | Ancient Aliens
190.2K views2 months ago
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44:15
Abductions Through Time (S5, E8) | Ancient Aliens | Full Episode | History
234.9K views6 months ago
YouTubeHISTORY
23:18
Wormholes Through Time and History | Ancient Aliens
287.6K views6 months ago
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1:06:43
Alien Origins | Aliens On Earth: The True Story Of Human's Origin | Full Sci-Fi Movie | Free Movie
4.2K views7 months ago
YouTubeV Movies
34:00
Inside Look At Area 51 *New Theories Revealed!* | Ancient Aliens | History
9.9M viewsApr 22, 2025
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23:20
Linda Moulton Howe's BIGGEST Theories Revealed | Ancient Aliens | History
322.6K viewsMay 1, 2025
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33:04
Outer Space’s Most Baffling Mysteries | Ancient Aliens | History
811.3K viewsMar 4, 2025
YouTubeHISTORY
35:15
The Moon's Mysteries Revealed | Ancient Aliens | History
1.4M viewsApr 8, 2025
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18:32
Ancient Aliens: The TRUTH Behind the Origins of Life | History
503.1K viewsNov 28, 2024
YouTubeHISTORY
5:49
Powerful Alien Visitors Influence Our DNA (Season 15) | Ancient Aliens | History
43.9K views11 months ago
YouTubeHISTORY
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